- Conditions
- Erectile Dysfunction
- Interventions
- Tadalafil, Placebo
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 623 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 34
- States / cities
- Huntsville, Alabama • Lancaster, California • Newport Beach, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jan 3, 2013 · Synced May 22, 2026, 4:09 AM EDT